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/****************************************************************************
**
** Copyright (C) 2016 The Qt Company Ltd.
** Contact: https://www.qt.io/licensing/
**
** This file is part of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL$
** Commercial License Usage
** Licensees holding valid commercial Qt licenses may use this file in
** accordance with the commercial license agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and The Qt Company. For licensing terms
** and conditions see https://www.qt.io/terms-conditions. For further
** information use the contact form at https://www.qt.io/contact-us.
**
** GNU Lesser General Public License Usage
** Alternatively, this file may be used under the terms of the GNU Lesser
** General Public License version 3 as published by the Free Software
** Foundation and appearing in the file LICENSE.LGPL3 included in the
** packaging of this file. Please review the following information to
** ensure the GNU Lesser General Public License version 3 requirements
** will be met: https://www.gnu.org/licenses/lgpl-3.0.html.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License version 2.0 or (at your option) the GNU General
** Public license version 3 or any later version approved by the KDE Free
** Qt Foundation. The licenses are as published by the Free Software
** Foundation and appearing in the file LICENSE.GPL2 and LICENSE.GPL3
** included in the packaging of this file. Please review the following
** information to ensure the GNU General Public License requirements will
** be met: https://www.gnu.org/licenses/gpl-2.0.html and
** https://www.gnu.org/licenses/gpl-3.0.html.
**
** $QT_END_LICENSE$
**
****************************************************************************/
#ifndef QPULSEHELPER_H
#define QPULSEHELPER_H
//
// W A R N I N G
// -------------
//
// This file is not part of the Qt API. It exists purely as an
// implementation detail. This header file may change from version to
// version without notice, or even be removed.
//
// We mean it.
//
#include "qaudiodevice.h"
#include <qaudioformat.h>
#include <pulse/pulseaudio.h>
#include <QtCore/QLoggingCategory>
QT_BEGIN_NAMESPACE
Q_DECLARE_LOGGING_CATEGORY(qLcPulseAudioOut)
namespace QPulseAudioInternal
{
pa_sample_spec audioFormatToSampleSpec(const QAudioFormat &format);
QAudioFormat sampleSpecToAudioFormat(const pa_sample_spec &spec);
pa_channel_map channelMapForAudioFormat(const QAudioFormat &format);
QAudioFormat::ChannelConfig channelConfigFromMap(const pa_channel_map &map);
static inline QString stateToQString(pa_stream_state_t state)
{
using namespace Qt::StringLiterals;
switch (state)
{
case PA_STREAM_UNCONNECTED: return "Unconnected"_L1;
case PA_STREAM_CREATING: return "Creating"_L1;
case PA_STREAM_READY: return "Ready"_L1;
case PA_STREAM_FAILED: return "Failed"_L1;
case PA_STREAM_TERMINATED: return "Terminated"_L1;
}
return u"Unknown state: %0"_s.arg(int(state));
}
static inline QString sampleFormatToQString(pa_sample_format format)
{
using namespace Qt::StringLiterals;
switch (format)
{
case PA_SAMPLE_U8: return "Unsigned 8 Bit PCM."_L1;
case PA_SAMPLE_ALAW: return "8 Bit a-Law "_L1;
case PA_SAMPLE_ULAW: return "8 Bit mu-Law"_L1;
case PA_SAMPLE_S16LE: return "Signed 16 Bit PCM, little endian (PC)."_L1;
case PA_SAMPLE_S16BE: return "Signed 16 Bit PCM, big endian."_L1;
case PA_SAMPLE_FLOAT32LE: return "32 Bit IEEE floating point, little endian (PC), range -1.0 to 1.0"_L1;
case PA_SAMPLE_FLOAT32BE: return "32 Bit IEEE floating point, big endian, range -1.0 to 1.0"_L1;
case PA_SAMPLE_S32LE: return "Signed 32 Bit PCM, little endian (PC)."_L1;
case PA_SAMPLE_S32BE: return "Signed 32 Bit PCM, big endian."_L1;
case PA_SAMPLE_S24LE: return "Signed 24 Bit PCM packed, little endian (PC)."_L1;
case PA_SAMPLE_S24BE: return "Signed 24 Bit PCM packed, big endian."_L1;
case PA_SAMPLE_S24_32LE: return "Signed 24 Bit PCM in LSB of 32 Bit words, little endian (PC)."_L1;
case PA_SAMPLE_S24_32BE: return "Signed 24 Bit PCM in LSB of 32 Bit words, big endian."_L1;
case PA_SAMPLE_MAX: return "Upper limit of valid sample types."_L1;
case PA_SAMPLE_INVALID: return "Invalid sample format"_L1;
}
return u"Invalid value: %0"_s.arg(int(format));
}
static inline QString stateToQString(pa_context_state_t state)
{
using namespace Qt::StringLiterals;
switch (state)
{
case PA_CONTEXT_UNCONNECTED: return "Unconnected"_L1;
case PA_CONTEXT_CONNECTING: return "Connecting"_L1;
case PA_CONTEXT_AUTHORIZING: return "Authorizing"_L1;
case PA_CONTEXT_SETTING_NAME: return "Setting Name"_L1;
case PA_CONTEXT_READY: return "Ready"_L1;
case PA_CONTEXT_FAILED: return "Failed"_L1;
case PA_CONTEXT_TERMINATED: return "Terminated"_L1;
}
return u"Unknown state: %0"_s.arg(int(state));
}
}
QT_END_NAMESPACE
#endif
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